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I believe that with the improvement of technology, in the future there will be more modern transportation for humankind. There will be flying cars, trains that goes underwater,... anything we can imagine .Flying cars will make us be able to go with high-speed and less accidents. underwater trains will help us to travel overseas. There might be some disadvantages but those can help clear traffic due to the growth of today's population. Moreover, transport will also improve its security. To sum up, future's mean of transport will be better.
nếu ok thì cho mình like nha, nếu không ok thì không cho. :)
2 He was writing a report
3 Tom was calling the employers at 8 o'clock yesterday morning
4 I was decorating my house when you came
5 My sister was eating a chocolate cake
6 I was doing my exercuse at 6 o'clock yesterday morning
7 I was writing a report when my friend called
8 Tom was taking a photo of mine when I was eating
Question 2: David has volunteered for 2 years
Question 3: I think collecting stamps is interesting
